using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;

namespace?LoginSdoDemo
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
???????????if（string.IsNullOrEmpty（html））
???????????{
???????????????MessageBox.Show（“請點擊獲得驗證碼按鈕“）;
???????????????return;
???????????}
????????????//string?lt?=?Getlt（html）;

????????????//string?header?=?““;
????????????//string?url1?=?“https://cas.sdo.com:80/cas/login?service=http://zh.sdo.com/web1.0/home/select.asp“;

????????????//string?postData?=?“warn=false&_eventId=submit&idtype=0&gamearea=0&gametype=0&challenge=5652<=“?+?lt?+
????????????//??????????????????“&username=“?+?this.textBox1.Text?+?“&password=“?+?this.textBox2.Text?+
????????????//??????????????????“&ekey=&challenge=5652“;
????????????//html?=?Http.GetHtml（url1?postData?aspcookie?out?header）;?//login
????????????//richTextBox1.AppendText（html）;
????????????//if?（html.IndexOf（“l(fā)ogin2.asp“）?>?0）
????????????//{
????????????//????MessageBox.Show（“用戶名或密碼錯誤“）;
????????????//????return;
????????????//}

????????????//html?=Http.GetHtml（“https://cas.sdo.com:80/cas/login?service=zh011x01.sdo.com/index.php“?aspcookie?out?header）;
????????????//richTextBox1.AppendText（html）;
????????????//if?（html.IndexOf（“l(fā)ogin2.asp“）?>?0）
????????????//{
????????????//????MessageBox.Show（“登錄失敗。請重試“）;
????????????//????return;
????????????//}

????????????string?clientKey?=?GetClientKey（html）;
????????????string?postData?=
????????????????“__EVENTTARGET=&__EVENTARGUMENT=&__VIEWSTATE=%2FwEPDwULLTE4NDgzMDI2NjcPFgIeCkZpbmlzaFN0YXloFgJmD2QWBAIBDxYCHgRUZXh0BQznlKjmiLfnmbvlvZVkAgIPZBYCAgMPZBYCAgEPFgIeB1Zpc2libGVoZBgBBR5fX0NvbnRyb2xzUmVxdWlyZVBvc3RCYWNrS2V5X18WAgUeY3RsMDAkQ1BIX0NvbnRlbnQkY2JfU2F2ZVN0YXRlBR1jdGwwMCRDUEhfQ29udGVudCRJbWFnZV9Mb2dpbr5SL%2FGtMqVCJ%2FCh4jH%2FXp4DhlVU&ctl00%24CPH_Content%24tb_LoginNameOrLoginEmail=“+textBox1.Text
????????????????+“&ctl00%24CPH_Content%24tb_Password=“+textBox2.Text
????????????+“&ctl00%24CPH_Content%24tb_ExPwd=“+textBox3.Text
????????????+“&ClientKey=“+clientKey
????????????+“&ctl00%24CPH_Content%24cb_SaveState=on&from=http%3A%2F%2Fhi.csdn.net%2Fmy.html&MailParameters=&MailParameters=&ctl00%24CPH_Content%24Image_Login.x=26&ctl00%24CPH_Content%24Image_Login.y=11“;
????????????string?header;
????????????string?returnHtml?=?Http.GetHtml（“http://passport.csdn.net/UserLogin.aspx“?postData?aspcookie?out?header）;?//login
????????????richTextBox1.AppendText（returnHtml）;
????????????//if?（html.IndexOf（“l(fā)ogin2.asp“）?>?0）
????????????//{
????????????//????MessageBox.Show（“用戶名或密碼錯誤“）;
????????????//????return;
????????????//}
????????}
????????private?string?GetClientKey（string?html）
????????{
????????????string?str?=?html.

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????28672??2008-05-08?02:12??LoginSdoDemo\LoginSdoDemo\bin\Debug\LoginSdoDemo.exe

?????文件??????34304??2008-05-08?02:12??LoginSdoDemo\LoginSdoDemo\bin\Debug\LoginSdoDemo.pdb

?????文件???????5632??2008-05-08?01:55??LoginSdoDemo\LoginSdoDemo\bin\Debug\LoginSdoDemo.vshost.exe

?????文件???????4251??2008-05-08?02:11??LoginSdoDemo\LoginSdoDemo\Form1.cs

?????文件???????7172??2008-05-08?02:11??LoginSdoDemo\LoginSdoDemo\Form1.Designer.cs

?????文件???????5814??2008-05-08?02:11??LoginSdoDemo\LoginSdoDemo\Form1.resx

?????文件???????6105??2008-05-08?01:10??LoginSdoDemo\LoginSdoDemo\Http.cs

?????文件???????3266??2008-05-06?02:09??LoginSdoDemo\LoginSdoDemo\LoginSdoDemo.csproj

?????文件????????842??2008-05-08?02:12??LoginSdoDemo\LoginSdoDemo\obj\Debug\LoginSdoDemo.csproj.GenerateResource.Cache

?????文件??????28672??2008-05-08?02:12??LoginSdoDemo\LoginSdoDemo\obj\Debug\LoginSdoDemo.exe

?????文件????????180??2008-05-08?02:12??LoginSdoDemo\LoginSdoDemo\obj\Debug\LoginSdoDemo.Form1.resources

?????文件??????34304??2008-05-08?02:12??LoginSdoDemo\LoginSdoDemo\obj\Debug\LoginSdoDemo.pdb

?????文件????????180??2008-05-06?02:09??LoginSdoDemo\LoginSdoDemo\obj\Debug\LoginSdoDemo.Properties.Resources.resources

?????文件????????807??2008-05-08?02:12??LoginSdoDemo\LoginSdoDemo\obj\LoginSdoDemo.csproj.FileListAbsolute.txt

?????文件????????479??2008-05-06?01:16??LoginSdoDemo\LoginSdoDemo\Program.cs

?????文件???????1280??2008-05-06?01:16??LoginSdoDemo\LoginSdoDemo\Properties\AssemblyInfo.cs

?????文件???????2853??2008-05-06?01:16??LoginSdoDemo\LoginSdoDemo\Properties\Resources.Designer.cs

?????文件???????5350??2008-05-06?01:16??LoginSdoDemo\LoginSdoDemo\Properties\Resources.resx

?????文件???????1097??2008-05-06?01:16??LoginSdoDemo\LoginSdoDemo\Properties\Settings.Designer.cs

?????文件????????249??2008-05-06?01:16??LoginSdoDemo\LoginSdoDemo\Properties\Settings.settings

?????文件????????260??2008-05-08?02:13??LoginSdoDemo\LoginSdoDemo.gpState

?????文件????????902??2008-05-06?01:16??LoginSdoDemo\LoginSdoDemo.resharper

?????文件???????1045??2008-05-08?02:13??LoginSdoDemo\LoginSdoDemo.resharper.user

?????文件????????925??2008-05-06?01:16??LoginSdoDemo\LoginSdoDemo.sln

????..A..H.?????15360??2008-05-08?02:13??LoginSdoDemo\LoginSdoDemo.suo

?????文件???????3288??2008-05-08?01:55??LoginSdoDemo\_ReSharper.LoginSdoDemo\CachesImage.bin

?????文件??????????4??2008-05-08?01:55??LoginSdoDemo\_ReSharper.LoginSdoDemo\TodoCache\.format

?????文件???????1084??2008-05-08?01:55??LoginSdoDemo\_ReSharper.LoginSdoDemo\TodoCache\3\57389b87.dat

?????文件??????????4??2008-05-08?01:55??LoginSdoDemo\_ReSharper.LoginSdoDemo\WordIndex.New\.format

?????文件???????4695??2008-05-08?01:55??LoginSdoDemo\_ReSharper.LoginSdoDemo\WordIndex.New\6\37a09c11.dat

............此處省略16個文件信息